Stability Experiments Sample Concentration (ng/ml) Concentration found (ng/ml) (mean ± SD)
Three Freeze thaw cycles LQC 0.283 0.2731 ± 0.0078
HQC 75.518 71.7145 ± 3.0689
Autosampler stability LQC 0.283 0.2695 ± 0.0032
HQC 75.518 71.3601 ± 0.6432
Bench top LQC 0.283 0.2925 ± 0.0089
HQC 75.518 73.9863 ± 2.6501
Wet extract LQC 0.283 0.3093 ± 0.0059
HQC 75.518 81.6491 ± 1.0609
Table 4: Stability studies of the analyte.